<template>
    <div class="login-container">
        <div class="login-box">
<!--          头像区域-->
          <div class="avatar-box">
            <img src="../assets/logo.png" alt="">
          </div>
<!--          登录表单区域-->
          <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules"  label-width="0px" class="login-form">
<!--            用户名-->
            <el-form-item prop="username">
              <el-input prefix-icon="el-icon-user" v-model="loginForm.username"></el-input>
            </el-form-item>
<!--            密码-->
            <el-form-item prop="password">
              <el-input prefix-icon="el-icon-lock"  v-model="loginForm.password" show-password></el-input>
            </el-form-item>
<!--            按钮区域-->
            <el-form-item class="btns">
              <el-button type="primary" @click="login">登录</el-button>
              <el-button type="info" @click="resetLoginForm">重置</el-button>
            </el-form-item>
          </el-form>

        </div>
    </div>
    
</template>

<script>
export default {
    components:"",
  data(){
      return{
        loginForm:{
          username:'admin',
          password:'123456'
        },
        //login验证规则
        loginFormRules:{
          username:[
            { required: true, message: '请输入用户名称', trigger: 'blur' },
            { min: 3, max:10 , message: '用户账号长度在 3 到 10 个字符', trigger: 'blur' }

          ],
          password:[
            { required: true, message: '请输入密码', trigger: 'blur' },
            { min: 3, max:15 , message: '密码长度在 3 到 15 个字符', trigger: 'blur' }

          ]


        }

      }
  },
  methods:{
      login(){
         // console.log(this.loginForm);
         this.$refs.loginFormRef.validate(async (valid) =>{
           if(valid){
             const {data: res } = await this.$http.post('login',this.loginForm)
             // res.meta.status !=200 ? console.log('登录失败'):console.log('登录成功')
             if(res.meta.status ===200){
               localStorage.setItem('username',res.data.username)
               this.$store.commit('saveUserName',{username:res.data.username})
               console.log(res.data.username);
               this.$message({message:'登录成功',showClose:true,type:"success"})
               // 1.将登录成功返回的token保存到localStorage
               console.log(res);
               const {data} = res
               localStorage.setItem('token',data.token)
               //     1.1除开登录接口以外，其他接口必须要携带token
               //    2.通过编程式导航回到首页
                  this.$router.push('/home')

             }else{
               this.$message({message:res.meta.msg,showClose:true,type:"error"})
             }
           }else {
             return
           }
         })
      },
      resetLoginForm(){
        console.log(this)
        this.$refs.loginFormRef.resetFields()
    }
  }
    
}
</script>



<style lang="less" scoped>
  .login-container{
    background-color: #2b4b5b;
    height: 100%;
  }
  .login-box{
    width: 450px;
    height: 300px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    .avatar-box{
      height: 130px;
      width: 130px;
      border: 1px solid #eee;
      border-radius: 50%;
      padding: 10px;
      box-shadow: 0 0 10px #ddd;
      position: absolute;
      left: 50%;
      transform: translate(-50%,-50%);
      background-color: #fff;
      img{
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background-color: #eee;
      }

    }
    .login-form{
      position: absolute;
      bottom: 0;
      width: 100%;
      padding: 0 40px;
      box-sizing: border-box;
    }
  }

  .btns{
    display: flex;
    justify-content: flex-end;
  }
</style> 
